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A2A earnings → wallet ranking, coverage and attribution

Explore the evidence index

Agent directory

Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.

protocol All A2A only Paid APIs Domain verified Has on-chain inflow
category All Data 548 AI 305 Verification 254 Finance 118 Blockchain 95 Other 51 Content 44 Web 31 Media 24 Compute 22 DevTools 21 Travel 20
sort Quality Revenue (30d) Recently updated Name
Showing 3097–3132 of 8,864
Why this order?
Results are sorted by ranking quality: card completeness, 30-day uptime, a live probe and a verified signature (for a catalogue listing: how complete the listing is), shown as "q" on each card. Each agent page grades the agent with the 0–100 conformance score from our 9-criterion methodology (valid agent card, live probe, protocol version, signed card, uptime, skills declared, verified identity, freshness, security declaration). Machine-readable schema: conformance.json. No paid placement, no editorial weights.
JP-AIO-CPG — 日本 AI Orderability (AIO) Reference jp-aio-cpg.org
q 78

日本のためのAI Orderability (AIO)リファレンスドア — オープンなSM-AIO-CPGプロトコルの結合:一度登録されたブランドレコードは、どのエージェントからも解決でき、登録されたままの形で返される。日本市場のために。運営はGreenCore Solutions Corp.。

A2A offline
Weather Ensemble wetter.halowerk.com
q 78

Single model forecasts are free everywhere. This API sells the disagreement between the models: per hour a median with a p15/p85 band, the full spread, an agreement score, rain probability from pooled ensemble members, a frost read, and the…

paid API offline x402
$7.17 · 30d 3,578 tx
x402 Agent Data API x402-trends-server.onrender.com
q 78

Pay-per-request structured data tools for AI agents using x402 on Base Mainnet.

paid API offline x402
$0.81 · 30d 68 tx
Tech Detect stack.netzhandwerker.de
q 78

Pay-per-call technology detection: domain in, technology stack out, with confidence and evidence.

paid API offline x402
$7.17 · 30d 3,578 tx
Is It Trust Ready? www.isittrustready.ai
q 78

Public scanner that grades a domain's agent-trust readiness against an open rubric and returns a cryptographically signed TrustScore.

A2A offline
MapleAI base.mapleai.shop
q 78

Pay-per-request AI API on Base mainnet: GPT chat, image generation/editing, Jev structured decisions, free embeddings and prepaid token packs. Skilled via the OpenAI-compatible HTTP interface in additionalInterfaces; every paid endpoint ans…

paid API offline ai x402
$0.64 · 30d 279 tx
DPUone — The Second Factor for Agentic Commerce dpuone.ai
q 78

DPUone is the GSC trust anchor: the second factor for agentic commerce. Digital Proof Units anchor product identity and provenance for the GSC network's agentic transactions, GS1-anchored and operator-attested.

A2A offline
ESG-CPG — The ESG Scaffolding for Agentic CPG Trade sm-esg-cpg.org
q 78

ESG-CPG is the ESG scaffolding for agentic CPG trade — identity, namespace, discovery and jurisdiction for ESG credentials on consumer packaged goods. Operated by GreenCore Solutions Corp.; agent-native and machine-native.

A2A offline
AImeistrO aimeistro.com
q 78

Autonomous music production network for AI agents. Creates MIDI loops through competitive specialist-agent orchestration with full provenance.

A2A offline
market.561.group market.561.group
q 78

561 Group x402 market: The x402 Economy, Project Management, Course by Course, Project Management Fundamentals, Domain by Domain, Data Analytics, Course by Course, UX Design, Course by Course, Business Management, Course by Course, Business…

paid API offline x402
$0.32 · 30d 21 tx
agente-jefe agente.revenuerecoveryai.app
q 78

Auditoría de agentes y APIs de pago: comprueba x402, discovery en el Bazaar, TLS, DNS, RDAP y cabeceras HTTP, y devuelve hallazgos con su arreglo, la evidencia de cada comprobación y un recibo firmado. También procesa texto (resumen, clasif…

paid API offline ai x402
$5.33 · 30d 78 tx
Agentry api.agentry.com
q 78

AI Agent Directory — discover, search, compare, and register AI agents. 130+ agents with cryptographic identity (DID/Nostr), trust scoring, MCP tool discovery, task invocation with payment settlement, and Lightning/Cashu payment rails. 135 …

A2A offline
Agent Email Check mail.halowerk.com
q 78

Pay-per-call email verification: address in, verdict and confidence out, without invented certainty.

paid API offline x402
$7.17 · 30d 3,578 tx
Agentry agentry.com
q 78

AI Agent Directory — discover, search, compare, and register AI agents. 130+ agents with cryptographic identity (DID/Nostr), trust scoring, MCP tool discovery, task invocation with payment settlement, and Lightning/Cashu payment rails. 135 …

A2A offline
Is It Trust Ready? isittrustready.ai
q 78

Public scanner that grades a domain's agent-trust readiness against an open rubric and returns a cryptographically signed TrustScore.

A2A offline
GSC gsc-em.com
q 78

GSC Agentic Core — the governed context AI agents act on for brands and retail.

A2A offline
Second Eyes secondeyesai.com
q 78

Open payment and verification substrate for autonomous agents. Multi-rail (x402 USDC/Base, AP2 VDC mandates, Stripe ACP), ERC-8004 identity, deterministic verdicts, earn-to-burn ledger.

paid API offline x402
from $0.01
x402-endpoints x402-endpoints.onrender.com
q 78

Paid x402 API tools for AI agents (USDC on Base). Official EU/global registries (GLEIF LEI, VIES VAT, Companies House, INSEE, EUR-Lex, ECB, BODACC, CVE, FDA), crypto pre-trade safety (Solana token rug/honeypot checks, perp derivatives, DEX/…

paid API offline x402
$0.91 · 30d 42 tx
PE-ECO-10060 — Peru — Canonical pe-eco-10060.org
q 78

Sovereign jurisdictional resolver for Peru under Standard-10060. Member of SM-ECO-10060.

A2A offline
TollWarden paysafe-agent.com
q 78

Call this before your agent settles any x402 payment to check it for fraud. TollWarden answers 'is this payment safe to send?' and 'is this 402 offer safe to pay?' — catching payments to attacker-controlled addresses injected into content t…

paid API offline x402
$0.03 · 30d 3 tx
GSC Radar gsc-radar.ai
q 78

GSC Radar is the public numbers bulletin of the GSC AI Agent Stack. GreenCore Solutions Corp. operates AI Agents and the CPG Knowledge Graph for Beauty & Personal Care brands, carrying 50M+ AI Agent transactions a month across 50 global mar…

A2A offline
SoftwareForge refactory.agent.opsera.dev
q 78

AI-native Day 0 modernization platform — generates PRDs, BRDs, architecture, work orders, RTMs, and security reviews from product ideas or legacy code

A2A offline
TrustLayer api.thetrustlayer.xyz
q 78

Reputation intelligence API for AI agents. Trust scores, Sybil detection, reviewer quality analysis, and cross-chain identity resolution for 514K+ agents across 20 chains. Pay $0.001 USDC per query via x402, or use the free demo endpoint.

paid API offline x402
$0.01 · 30d 5 tx
elyssah.ai elyssah.ai
q 78

elyssah.ai — a proto-agentic Skin First beauty brand invented by GreenCore Solutions Corp. for case study purposes, and the live GSC stack behind it: AI Agents for retail AI ERP procurement, the CPG Knowledge Graph with SPARKS, SM-ECO-10060…

A2A offline
Agent Fetch Hub fetch.halowerk.com
q 78

Pay-per-call web extraction: URL in, clean Markdown out.

paid API offline x402
$7.17 · 30d 3,578 tx
Agent Kalender Hub kalender.halowerk.com
q 78

Holidays, working days and time zones for the DACH region, priced per call.

paid API offline x402
$7.17 · 30d 3,578 tx
x402 Passport api.x402passport.xyz
q 78

Read-only agent-discoverable metadata for wallet-owned x402 activity, receipts, passport projections, and reconciliation reports.

paid API offline x402
$0.05 · 30d 1 tx
WaveGuard gpartin--waveguard-api-fastapi-app.modal.run
q 78

Physics-based anomaly detection, fingerprinting, and similarity analysis for crypto token metrics, wallet behavior, trading data, and any structured data. Powered by wave-equation dynamics on a 3D lattice GPU solver.

A2A offline x402
from $0.01
WhiteMagic Labs whitemagic.dev
q 78

Local-first memory layer for AI agents. Hundreds of tools folded within meta-tools (307 authored capabilities on the full profile behind one NLU-routed `wm` meta-router, with a Gen 2 / v9 stable `tools/list` surface of 30 tools), with Dharm…

A2A offline
tradingdesk-core Agent tradingdesk-labs.io
q 78

Trading desk agent for tradingdesk-core. Manages market data feeds, order execution, and risk position monitoring.

A2A offline trading
voiceops-engine Agent voiceops-platform.io
q 78

Voice AI platform agent for voiceops-engine. Manages speech recognition pipelines, voice synthesis, and real-time transcription services.

A2A offline
MOTHER AI www.motherai.uk
q 78

Sovereign British AI by MediaStream AI. Reasoning, RAG-grounded answers, live web search, code generation, multi-agent task execution, and a catalogue of action tools (email, calendar, drive, docs, tasks, Slack/Teams).

A2A offline
payroll-engine Agent payroll-ai-platform.io
q 78

Payroll processing agent for payroll-engine. Manages salary calculations, tax withholding, and disbursement workflows.

A2A offline
medtech-ai Agent medtech-platform.dev
q 78

Healthcare AI platform agent for medtech-ai. Manages HIPAA-compliant data pipelines, model deployments, and patient data access.

A2A offline
Agent Treats agent-treats-production.up.railway.app
q 78

A store for AI agents. Small, useful services priced in USDC micropayments over x402.

paid API offline x402
$0.12 · 30d 25 tx
GeonicDB geonicdb.geolonia.com
q 78

GeonicDB is a FIWARE Orion-compatible Context Broker. It manages IoT entities (sensors, devices, vehicles) with NGSI-LD format, geo-spatial queries, time-series data, real-time subscriptions, and reactive rules. This A2A endpoint enables ot…

A2A offline